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#RX7 #mazda A legendary group of 47 engineers came together with the aim of putting the world's first rotary engine into practical use, and the development team that inspired them created Mazda's famous sports car, the RX-7. In this article, we will immerse ourselves in the world of Mazda sports cars through the stories of two development teams that have colored Mazda's history. [Table of Contents] 00:00 Opening 00:46 The turbulent founding of Mazda 02:44 The challenge of the rotary engine 04:17 The 47 engineers gathered 05:36 The first wall, "The Devil's Claw Marks" 07:58 The second wall, "The Tanuki of Kachikachi Mountain" 09:59 The third wall, "The Electric Massager" 11:11 The completed Mazda Cosmo Sport 12:45 The successor to the Cosmo Sport 15:03 The road to the revival of the rotary engine 16:04 40% improvement in fuel efficiency of the rotary engine 18:07 The appearance of the Savanna RX-7 19:20 The Savanna RX-7 that left its mark on IMSA 20:07 The end of the rotary engine 21:01 The ever-burning spirit of the rotary engine [References/Quotes] ・Hiroshi Ozeki "20 Years of the Rotary Engine - The Early Development Process and Its Technical Achievements" (Grand Prix Publishing)・"100 Years of Mazda: Car Manufacturing and the Community" (The Media Journal) ◇This Old Car ・How the Mazda RX-7 Became a Legend - The Ultimate Rotary Sports Car! • How the Mazda RX-7 Became a Legend - ... 【Materials】 Pixabay, DOVA-SYNDROME, Sound Effects Lab